Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 pm Thursday 25 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
9.9° C
(Which is normal for this time of year)| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Dec) | - | - |
| Afternoon (25 Dec) | 0.5ft (0.1m) | 10s |
| Evening (25 Dec) | - | - |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 13 | 12 | 12 | 12 | 11 | 16 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2 | 0 | 0 | 17 | 9 | 3 | 2 | 1 | 0 | 0 | 3 | 3 | 3 | 3 | 2 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross | cross- off |
High Tide / height (m) | 11:36PM 3.54 | 11:58AM 3.93 | 12:26AM 3.42 | 12:49PM 3.78 | 1:24AM 3.31 | |||||||||||||||||||
Low Tide / height (m) | 6:38PM 0.84 | 6:35AM 1.07 | 7:22PM 0.92 | 7:19AM 1.18 | 8:10PM 0.98 | 8:13AM 1.27 | ||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - |
| Sunset | 4:06 | - | - | - | - | - | - | - | 4:06 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | |  | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 5 | 4 | 4 | 4 | 3 | 4 | 5 | 6 | 6 | 5 | 6 | 6 | 5 | 4 | 4 | 3 |
| Feels °C (?) | -7 | -6 | -5 | -4 | -3 | -3 | -3 | -2 | -1 | -2 | -2 | -1 | -2 | -1 | -1 | 1 | 1 | -1 | 1 | 0 | 0 | 0 | 0 | 0 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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